I don't understand who to believe who not to believe.Everyone talking in live chat in their own way.Some saying they are working for the update for your device andSame are saying your device is not confirmed for the update .
once check by tapping Interactive checks in the Samsung members application.If that doesnt helps reset your device.or else follow unlocking your device using pattern.
Install Doze app from the playstore and unlock the full features of it by using lucky patcher. It is not the solution It somehow helps the battery from discharging. You can also check How the application works from the youtube videos.
It works using Magisk Manager but that doesn't help....Security of our device gets breached after rooting..There may be chance of hacking our personal details.
